MAXTED BRIAN F

Director at Kosmos Energy Ltd. · on record since May 18, 2011
Director at GeoPark Ltd · on record since May 20, 2026
Chief Exploration Officer at Kosmos Energy Ltd. · on record since Mar 31, 2014

Insider trading activity of MAXTED BRIAN F

Transactions on record: 78; since May 18, 2011

Open-market buys: 1; $180K

Open-market sells: 27; $31M

Companies traded: 2; last filing Aug 26, 2026

Figures computed from official regulatory filings — .

Companies where MAXTED BRIAN F has traded

GeoPark Ltd2 tx · Aug 26, 2026
Kosmos Energy Ltd.76 tx · $47.3M · Jun 7, 2019

Track record of MAXTED BRIAN F

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of MAXTED BRIAN F

Co-insiders of MAXTED BRIAN F

Anderson Michael JamesKosmos Energy Ltd.
Ball Christopher JamesKosmos Energy Ltd.
Bayon FelipeGeoPark Ltd
BCP IV GP L.L.C.Kosmos Energy Ltd.
BEDINGFIELD ROBERT AGeoPark Ltd
BLACKSTONE CAPITAL PARTNERS CAYMAN IV- A LPKosmos Energy Ltd.
BLACKSTONE CAPITAL PARTNERS CAYMAN IV LPKosmos Energy Ltd.
BLACKSTONE FAMILY GP LLCKosmos Energy Ltd.
BLACKSTONE FAMILY INVESTMENT PARTNERSHIP CAYMAN IV-A LPKosmos Energy Ltd.
Blackstone Family Investment Partnership (Cayman) IV-A SMD L.P.Kosmos Energy Ltd.
BLACKSTONE FAMILY INVESTMENT PARTNERSHIP IV-A LPKosmos Energy Ltd.
Blackstone Group L.P.Kosmos Energy Ltd.
Blackstone Group Management L.L.C.Kosmos Energy Ltd.
Blackstone Holdings III GP L.P.Kosmos Energy Ltd.
Blackstone Holdings III GP Management L.L.C.Kosmos Energy Ltd.
Blackstone Holdings III L.P.Kosmos Energy Ltd.
BLACKSTONE MANAGEMENT ASSOCIATES CAYMAN IV LPKosmos Energy Ltd.
Blackstone Participation Partnership (Cayman) IV L.P.Kosmos Energy Ltd.
Caballero-Uribe Jaime EduardoGeoPark Ltd
CHAMBERS THOMAS PKosmos Energy Ltd.
Clark Richard RyanKosmos Energy Ltd.
Dailly Paul AKosmos Energy Ltd.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
GeoPark LtdListing on record	Aug 26, 2026	Award	2,567	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
GeoPark LtdListing on record	May 20, 2026	Award	2,812	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jun 7, 2019	Award	25,090	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Award	74,464	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	351,219	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	-14,861	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Other	-36,659	4.60 USD	$168.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Other	-42,379	4.12 USD	$174.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	43,080	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	14,861	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	-351,219	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	-43,080	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 8, 2019	Other	-36,659	4.60 USD	$168.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 8, 2019	Award	74,464	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2019	Other	-36,781	4.12 USD	$151.5K	SEC
Kosmos Energy Ltd.Listing on record	Jun 5, 2018	Other	-90,191	7.95 USD	$717K	SEC
Kosmos Energy Ltd.Listing on record	Jun 5, 2018	Award	190,476	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jun 5, 2018	Other	-11,274	7.95 USD	$89.6K	SEC
Kosmos Energy Ltd.Listing on record	Feb 2, 2018	Award	89,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-14,126	6.85 USD	$96.8K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-14,126	6.85 USD	$96.8K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Award	400,294	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-84,757	6.85 USD	$580.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-14,127	6.85 USD	$96.8K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-190,439	6.85 USD	$1.3M	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
GeoPark LtdListing on record	Aug 26, 2026	Award	2,567	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
GeoPark LtdListing on record	May 20, 2026	Award	2,812	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jun 7, 2019	Award	25,090	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Award	74,464	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	351,219	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	-14,861	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Other	-36,659	4.60 USD	$168.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Other	-42,379	4.12 USD	$174.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	43,080	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	14,861	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	-351,219	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 18, 2019	Gift	-43,080	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 8, 2019	Other	-36,659	4.60 USD	$168.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 8, 2019	Award	74,464	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2019	Other	-36,781	4.12 USD	$151.5K	SEC
Kosmos Energy Ltd.Listing on record	Jun 5, 2018	Other	-90,191	7.95 USD	$717K	SEC
Kosmos Energy Ltd.Listing on record	Jun 5, 2018	Award	190,476	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jun 5, 2018	Other	-11,274	7.95 USD	$89.6K	SEC
Kosmos Energy Ltd.Listing on record	Feb 2, 2018	Award	89,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-14,126	6.85 USD	$96.8K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-14,126	6.85 USD	$96.8K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Award	400,294	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-84,757	6.85 USD	$580.6K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-14,127	6.85 USD	$96.8K	SEC
Kosmos Energy Ltd.Listing on record	Jan 4, 2018	Other	-190,439	6.85 USD	$1.3M	SEC